<https://secure.gravatar.com/avatar/1cc1748f18662b08cbfcc9ad49b6fcd2?s=96&amp;d=mm&amp;r=g>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<http://schema.org/ImageObject>
<https://www.tuttotech.net/news/2022/07/01/facebook-nft-arrivati-test.html>